1. If I stay some more days in your town, I will call you and we have a good talk.
2. He goes to the Public Library very often when he is a student.
3. As soon as I return from school, I will ring you up.
4. You pass many towns and villages on your way before you arrive in Moscow.
5. I stay at home till she come??? Then we will go to the theatre if she brings tickets.
6. After I finish) school, I will enter the University.
7. When he return) to St. Petersburg, he will call on us.
8. If I see) him, I will tell him about their letter.
9. We will gather) at our place when my brother come back from Africa.
10. I will sing this song with you if you tell me the words.